We live in the“computer age”. Long ago computers couldn’t do ______. They were very big and ______. They used a lot of energy(能量). Only a few people were ______ in them. Today computers are ______ and cheaper. They can ______ difficult work.

Computers have ______ important for many reasons. They work faster and make fewer mistakes. They can remember much information. A computer can work out millions of problems

______ a few seconds. A person might need years ______ so many problems.

People now use computers in nearly every kind of work. Computers are very useful and the______ of computers is growing. More computers mean more jobs for people, ______ people need to run(操作) and mend them.

Would you like to learn how to run a computer?

【1】A. many B. much C. a lot of D. lots of

【2】A. cheap B. cheaper C. expensive D. more expensive

【3】A. interest B. interesting C. interests D. interested

【4】A. small B. smaller C. big D. bigger

【5】A. do B. make C. turn D. eat

【6】A. turn B. got C. is D. become

【7】A. with B. in C. for D. at

【8】A. works out B. work C. to work out D. to work

【9】A. use B. useful C. useless D. to use

【10】A. why B. how C. because D. what